Possibilities of Spatial Correlation of 3d Models in an Archaeological Augmented Reality Application

Abstract

Abstract. The use of Augmented Reality (AR) technology is widespread in countless archaeological sites and a variety of applications. Archaeological excavations lead to archaeological finds, some of which are transported for preservation and then for exhibition in museums (jewelry, vases, etc.), while another part of them is documented in detail and remains in situ (eg building walls), roads, grave covers, etc.). However, after the registration of the archaeological finds, it is impossible to observe them. As part of our research project, we will develop for the first time AR methodology and procedures for the observation of covered archaeological finds on mobile devices (smart phones, tablets), which were registered after their documentation. AR technology in recent years has seen great growth in terms of implementation platforms and available software, as well as the tools developed to support it. These tools either make their appearance in the form of frameworks, extending the capabilities of an existing engine, or function as independent services. At the same time, progress has been made in the field of sensors of mobile devices, which makes the compatibility of hardware and software another issue to be researched. As part of the development of the above application for mobile devices, an evaluation is made of the most widespread AR Frameworks that support the Unity3d Game Engine and the compatibility / interoperability with the sensors of different categories of mobile devices. The frameworks were checked and evaluated for placement and tracking of the positions of the 3D covered objects. In this paper also, methodologies and techniques used in space detection and tracking are presented and evaluated.

A Novel Approach for Live Image Capture and Estimation of Coordinates for Augmented Projection Using Machine Learning

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Ar Methods for the Visualization of the Lost Marble “Tribuna” in the Main Apse of the Cathedral of Palermo

“…The initial position is not a good reference since it changes at each session; the visualization of cultural heritage works demands a stable and persistent reference linked to the scene and not to the position of the device inside the real environment. This is why the efforts of scholars and researchers are addressed to the development of time persistent AR solutions (Barrile et al, 2019, Palma et al, 2019Kaimaris et al, 2021;Torresani et al, 2021); in Morar et al (2021) have proposed a persistent solution inside the project CultReal; in Bachras et al (2019) have developed interesting test on the same subject.…”

A Workflow for Validation and Evaluation of a Dynamic Visualization Platform for Underground Antiquities

“…The visitors of an archaeological site will be able to observe the covered antiquities (3D models and descriptive information) on the screen of their mobile device (smart phone and/or tablet) (Fig. 1-4) (Kaimaris et al, 2021a;Kaimaris et al, 2021b;Efkleidou et al, 2022). The system integrates mobile positioning and pose estimation technologies, AR algorithms, Geographic Information System (GIS) and spatial databases.…”